Loans Held for Investment, net - Loan Risk Ratings Carrying Value (Details) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	27	24
Percentage of Portfolio	100.00%	100.00%
Year one	$ 129,090	$ 148,568
Year two	152,749	196,740
Year three	178,175	54,161
Year four	54,213	65,510
Years five	65,652	194,088
Prior	139,755	26,640
Accrued interest receivable	$ 719,634	$ 685,707
1
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	2	3
Percentage of Portfolio	10.00%	16.00%
Year one	$ 0	$ 0
Year two	0	57,599
Year three	41,779	0
Year four	28,994	0
Years five	0	54,982
Prior	0	0
Accrued interest receivable	$ 70,773	$ 112,581
2
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	2	2
Percentage of Portfolio	9.00%	8.00%
Year one	$ 0	$ 27,992
Year two	63,506	0
Year three	0	28,988
Year four	0	0
Years five	0	0
Prior	0	0
Accrued interest receivable	$ 63,506	$ 56,980
3
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	18	15
Percentage of Portfolio	59.00%	59.00%
Year one	$ 129,090	$ 120,576
Year two	89,243	139,141
Year three	136,396	25,173
Year four	25,219	65,510
Years five	20,446	23,593
Prior	23,622	26,640
Accrued interest receivable	$ 424,016	$ 400,633
4
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	5	4
Percentage of Portfolio	22.00%	17.00%
Year one	$ 0	$ 0
Year two	0	0
Year three	0	0
Year four	0	0
Years five	45,206	115,513
Prior	116,133	0
Accrued interest receivable	$ 161,339	$ 115,513
5
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans \| loan	0	0
Percentage of Portfolio	0.00%	0.00%
Year one	$ 0	$ 0
Year two	0	0
Year three	0	0
Year four	0	0
Years five	0	0
Prior	0	0
Accrued interest receivable	$ 0	$ 0

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